Potassium in PDB 2qbn: Crystal Structure of Ferric G248V Cytochrome P450CAM

All present enzymatic activity of Crystal Structure of Ferric G248V Cytochrome P450CAM:
1.14.15.1;

The structure of Crystal Structure of Ferric G248V Cytochrome P450CAM, PDB code: 2qbn was solved by K.Von Koenig, T.M.Makris, S.D.Sligar, I.Schlichting, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.75
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	63.920, 63.920, 242.140, 90.00, 90.00, 90.00
R / Rfree (%)	19.6 / 22.3

The structure of Crystal Structure of Ferric G248V Cytochrome P450CAM also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Potassium atom in the Crystal Structure of Ferric G248V Cytochrome P450CAM (pdb code 2qbn). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Crystal Structure of Ferric G248V Cytochrome P450CAM, PDB code: 2qbn:

Potassium binding site 1 out of 1 in the Crystal Structure of Ferric G248V Cytochrome P450CAM


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Ferric G248V Cytochrome P450CAM within 5.0Å range: probe atom residue distance (Å) B Occ A:K440 b:18.2 occ:1.00 O A:GLU84 2.6 19.1 1.0 O A:TYR96 2.6 16.3 1.0 O A:HOH789 2.8 35.4 1.0 O A:GLU94 2.8 18.7 1.0 O A:HOH672 2.8 25.3 1.0 O A:GLY93 2.8 16.2 1.0 C A:GLU94 3.4 18.1 1.0 C A:TYR96 3.7 16.8 1.0 CA A:GLU94 3.7 17.7 1.0 C A:GLU84 3.8 18.9 1.0 O A:HOH716 3.9 44.5 1.0 C A:GLY93 3.9 16.4 1.0 N A:TYR96 4.2 17.3 1.0 N A:GLU94 4.3 15.8 1.0 CA A:TYR96 4.4 17.0 1.0 O A:HOH550 4.4 39.0 1.0 N A:ALA95 4.4 17.6 1.0 CA A:CYS85 4.5 17.2 1.0 CG A:GLU84 4.5 30.5 1.0 C A:ALA95 4.5 19.2 1.0 N A:CYS85 4.5 18.3 1.0 CB A:TYR96 4.7 16.1 1.0 N A:ASP97 4.7 15.3 1.0 O A:HOH653 4.8 47.6 1.0 CA A:GLU84 4.8 19.7 1.0 CA A:ASP97 4.9 17.2 1.0 CD A:PRO86 5.0 17.8 1.0 CA A:ALA95 5.0 18.3 1.0 O A:ALA95 5.0 19.7 1.0

T.M.Makris, K.V.Koenig, I.Schlichting, S.G.Sligar. Alteration of P450 Distal Pocket Solvent Leads to Impaired Proton Delivery and Changes in Heme Geometry. Biochemistry V. 46 14129 2007.
ISSN: ISSN 0006-2960
PubMed: 18001135
DOI: 10.1021/BI7013695